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adobe_reader.exe

PDF

OutBrowse

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application adobe_reader.exe by OutBrowse has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs.
Publisher:
ADLOGICA  (signed by OutBrowse)

Product:
PDF

Version:
1.0

MD5:
fc96d18c9a63777b20fd55c68a875985

SHA-1:
08edb98bfcf50e0529ce4331dc16381db4a3508a

SHA-256:
7b5dfee8ed6f393e963d8dea1765b84dec070ec52481df3f108ba2c2fc4c4641

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/26/2024 5:36:02 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.OutBrowse
2015.0.3509

Dr.Web
Adware.Downware.1664
9.0.1.099

ESET NOD32
Win32/OutBrowse (variant)
8.9190

IKARUS anti.virus
not-a-virus:Downloader.NSIS
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.174.10623

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
14.0.0.4041

Malwarebytes
PUP.Optional.OutBrowse
v2014.04.09.08

McAfee
Artemis!FC96D18C9A63
5600.7165

Reason Heuristics
PUP.OutBrowse.M
14.8.7.20

Sophos
Generic PUA AL
4.96

Trend Micro House Call
TROJ_GEN.F47V1201
7.2.99

Vba32 AntiVirus
Downloader.OutBrowse
3.12.24.3

VIPRE Antivirus
OutBrowse
24712

ViRobot
Trojan.Win32.Agent.87672
2011.4.7.4223

File size:
622.3 KB (637,224 bytes)

Copyright:
© PDF

Trademarks:
PDF

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\adobe_reader.exe

Digital Signature
Signed by:
OutBrowse

Authority:
VeriSign, Inc.

Valid from:
10/23/2013 8:00:00 PM

Valid to:
10/24/2014 7:59:59 PM

Subject:
CN=OutBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=OutBrowse, L=Ramat Gan, S=Ramat Gan, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
56A6FE571611B68C9224798AD62913CA

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:yX/ZrqyOmXPj2+jxmY0lKX/b5qQwGDJ+QBrh/jRhucDprJdchIfJ:yX/NqlmXrlBjs5AJxj3DChQ

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9784

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file adobe_reader.exe has been seen being distributed by the following 6 URLs.

http://downloader2.downloadinfo.co/download.php?id=8f022f30d27c45cef9fbfd61432fee2f1c84063f&z=8&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJjYSIsIm8iOiJ3aW43IiwiYiI6ImNoMzEiLCJ1X2lkIjoiZGlfNTJhM2M5YjNjMzlmZjcuOTc5NTI1NDEiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg2NDY1NzE1LCJrdyI6ImFkb2JlIiwiY3UiOiJhZG9iZSIsImNhIjpudWxsfQ==

http://downloader2.downloadinfo.co/download.php?id=8f022f30d27c45cef9fbfd61432fee2f1c84063f&z=8&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJiciIsIm8iOiJ3aW43IiwiYiI6ImNoMzEiLCJ1X2lkIjoiZGlfNTI5ZjI1ZjhlNGZkMDguNjA2MTMzOTYiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg2MTYxNjU3LCJrdyI6ImFkb2JlIHJlYWRlciBkb3dubG9hZHMiLCJjdSI6ImFkb2JlIHJlYWRlciBkb3dubG9hZHMiLCJjYSI6bnVsbH0=

http://default-page.com/downloader/.../?d1=9&d2=1&d3=1&d4=12&d5=00000000

http://default-page.com/.../pdf?d1=9&d2=1&d3=1&d4=12&d5=00000000

http://downloader2.downloadinfo.co/download.php?id=8f022f30d27c45cef9fbfd61432fee2f1c84063f&z=8&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW44IiwiYiI6ImNoMzEiLCJ1X2lkIjoiZGlfNTI5Y2NiMjMxMDdmYzEuMDI0MTIzOTkiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg2MDA3MzMxLCJrdyI6ImFkb2JlIHBkZiIsImN1IjoiYWRvYmUgcGRmIiwiY2EiOm51bGx9

http://cdn.app2desktop.com/misc/adlogica/.../adobe_reader.exe

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